Several letters to the editor are presented in response to articles published in previous issues including "Getting to the Heart of the Matter," by David A. Seller in the May 2006 issue and one about the Marian E. Koshland Integrated Natural Science Center also in the May 2006 issue.

Several letter to the editor are presented in response to articles in previous issues including "Stocking stuffers for engineers," "Selecting radiant ceiling cooling and heating systems," in the December 2007 issue and data collection for the Commercial Buildings Energy Consumption Survey...

The article reports on the establishment of an in-house test laboratory of dairy processing industry supplier GEA to give its engineers the opportunity to test powder properties and create powder packaging systems at the company's facility in Hamilton, New Zealand.

Describes the Powermiser heating-cooling-hot water integrated system from Nordyne, introduced at the 1997 International Air Conditioning, Heating, Refrigeration Exposition. Efficiency of the heat recovery unit; Modes of operation; Combined cooling performance factor and combined heating...